Civil-Environmental Engineering
Sutter County

Cities and towns (requirements may differ)​

Unincorporated Communities

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Catlett

Kirkville

Lee

Pleasant Grove

Riego

Rio Ramaza

Tierra Buena

Verona

 


 

*The information on this page is a summary for quick reference only and may not represent the latest standards.  For complete and up-to-date information, see each counties official website.
 

Sutter County Setback Requirements

For a graphical representation of Sutter County setback requirements:

 

Summary of Specific Requirements For Gravity Systems

for Single Family Dwellings*

The following is in addition to the items listed on the FAQ page for Gravity System Requirements.

 

  • Maximum Slope: 30%

 

  • Vertical Separation: 5' to Water Table

 

  • Sidewall-to-Sidewall Separation: 7' (may allow 4’ for 24” wide trench)

 

  • Trench Length:  100'

 

  • Bottom Width: 12" to 36"

 

  • Trench Depth: 6" to 24"​​​​​​​​​​​​​​​​​​​

 

  • Minimum of 2" of gravel over drain lateral, and 6" under.

 

  • Soil cover to extend 5' beyond drainfield with max 3:1 grade

 

  • Maximum drop of 1" in 100' for drain lateral.

 

  • Field sizes should be based on: 150 gal/day/bedroom 

 

  • Minimum septic tank capacity is 1000 gal.; 1500 gal. for 3-4 bedrooms; 2000 gal. for 5-6 bedrooms; 250 per additional bedroom.

 

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Links to Sutter County Website

For County home page:

For County's Rules for

On-Site Sewage Disposal: